Acid Red 138
Name:C.I.Acid Red 138,C.I.18073
Molecular Structure: Single azo class
C.I.Acid Red 138,C.I.18073,CAS 15792-43-5,677.74,C30H37N3Na2O8S2,Weak Acid Red B,Weak Acid Red BW
Molecular Formula:C30H37N3Na2O8S2
Molecular Weight: 677.74
CAS Registry Number:15792-43-5
Manufacturing Methods : 4-Dodecylbenzenamine diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications: blue-ray red. Mainly used in tussah silk and dyeing, wool fabric and polyamide fiber can be used. The salt can be used in organic pigments.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 4 | 4-5 | 5 | 4-5 | 4 | 5 | 5 |
List of Suppliers:
Weak Acid Red B,Weak Acid Red BW
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Jinhua Hanllycome Chemical Co., Ltd.
Acid Carmine CRB (Classic Dyestuffs Inc)
Acid PinkB (Brighten Colorchem BV)
Acid Red B(Sinochem Ningbo Imp & Exp Corp)
Acid Red C2B (Classic Dyestuffs Inc)
Acid Red CR(Classic Dyestuffs Inc)
Apollo Nylon Fast Briliant Red M-BW ( Taiheung Corp )
Best Acid Milling Red BW ( Oriental Giant Dyes and Chemical Ind Corp )
Burconyl Red C2B (Classic Dyestuffs Inc)
Classic Acid Red 138(Classic Dyestuffs Inc)
Dorasyn Red C2B ( D&G Dyes Inc. )
Dycosweak Acid Pink B(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Kayanol Milling Red BW (Nippon Kayak u Co Ltd)
Lerui Acid Red B( Rosi Chemical Co Ltd )
Milling Red 6B(Sinochem Liaoning Import & Export Corporation)
Orcoacid Red C-2B ( Organic Dyestuffs Corp )
Permalon Red C-2B ( Standard Dyes )
Phoebe Bordeaux W-B 100% ( Anhui Fengyang Dyestuffs and Chemicals Co. Ltd. )
Pink B (Hangzhou Dikai Chemical Co Ltd)
Ricoamide Red C2B(Classic Dyestuffs Inc)
Sinolon Red B ( Shangyu Big Sunshine Chemical Industry Co Ltd )
Suminol Milling Brilliant Red BS ( Sumitomo Chemical Co. Ltd )
Triacid Fast Milling Red B (Chemische Fabriek Triade BV)
Weak Acid Pink B ( Dandong Jinlong Dyestuff Chemical Co Ltd )
Weak Brilliant Red 2B(Fenchem Enterprises Ltd)